Sunglasses.

This dark summer accessory is in the arsenal of every woman of fashion. However, selecting them by design, we draw attention to their beauty, color, shape and price. And often ignored the main aspect: quality.

Long exposure to the sun ages your skin forever, causes growth of tissues that block the vision and the formation of cancer cells, corneal burns, eye cataract and macular degeneration of the retina.

Therefore, ophthalmologists are convinced wearing "correct" sunglasses will help keep healthy eyes. How to choose a reliable protection for the eyes detail Optometrists tell one brand from the capital Optician Elena Tkachuk.

1. Material

Glass lenses are the best. They provide good protection from ultraviolet radiation, and does not distort the image as plastic. In addition, the glass more resistant to scratches. The main disadvantage of glass glasses - fragility. For unsuccessful circumstances broken glass can damage the eye.

High-quality plastic can serve as a good alternative. In the manufacture of the plastic injected special supplements and special coating applied to the lenses are ready to protect against the harmful effects. Just make sure that glasses do not distort the image. Spend a little test: look through the glasses of perfectly straight line. If it does not spotvorylasya - all right, enough high-quality sunglasses.

Hold in mind that the constant wearing plastic glasses eventually weaken eyesight, causing cataract.

2. The degree of protection against ultraviolet

Marking glasses UV-A and UV-B shows the percentage of degree of protection from ultraviolet rays. For example, 95% UVB and 60% UVA mean that glasses will not miss 95% of ultraviolet rays B and 60% of UV rays A. Both types of rays are dangerous to the eyes. But all the same most harmful rays read type B (far ultraviolet).

Also on the labels indicate the maximum length of the waves, which do not pass the lens. Ultraviolet spectrum is to mark 400 nanometers (nm). That points labeled 400 nm do not pass ultraviolet radiation. If stated that the glasses do not miss the wave to 350 nm, eye protection will be incomplete.

3. Color

Tint sunglasses affects perception of the world. The most successful shades of dark green and dark gray, due to which there is maximum filtering harmful rays: in the first eyes less tired in the dark-gray glasses transmission color best fits reality. For tired eyes, the lens must have a uniform shade.

Bad choice - glasses with red, blue or yellow lenses. They are minimally protected from the sun and rapidly deteriorating eyesight, to the detriment of the eye lens.

4. Rim

Your option - setting in which you comfortable, convenient, and reflection in the mirror always happy.

When you take into account: the upper limit of glasses should repeat the eyebrows. Always appropriate sunglasses that cover most of the face and temples, at the expense of the eyes are better protected from falling dust and wind.

When buying glasses check screws that attach the brackets, or to end it twisted, do not vacillate. Hold the glasses in their hands, repeatedly open brackets - not setting a good tough, resilient and immediately resumes its shape if it is slightly bent. Must be an example glasses: Do not pinch the brackets, do not press on the nose nasal stops. Please note that glasses are not roznoshuyutsya and if they are putting pressure on the nose during the fitting, then six months later nothing has changed.

Is important feature of glasses is their ability to blend with thy appearance and attire.

For brunettes and shatenok glasses in a brown suit and red-rimmed and golden, blonde lychytymut frames of black, gold and silver colors. In the frames in copper and gold have a spectacular view of brown.

5. Storage

If you want to serve you glasses for a long time, buy them for Semi-rigid case or hard case, and only their noses in it. Wipe the lens with special shaggy cloth or fine suede, this is better than a handkerchief. No examples of glasses lenses down, so they are easily scratched.

Came here you really can buy as their first sunglasses and update an existing collection of fine novelty. A range will surprise both women and men.